Keystone Building

18-22 S. 3rd St, Harrisburg, Pennsylvania. County/parish: Dauphin.

Added to the National Register of Historic Places September 07, 1979. NRIS 79002217.

1 contributing building.

From Wikipedia:

Keystone Building (Harrisburg, Pennsylvania)

The Keystone Building is a historic, American commercial building that is located in Harrisburg, Dauphin County, Pennsylvania.

It was added to the National Register of Historic Places in 1979.

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National Park Service documentation: https://catalog.archives.gov/id/71995781

LC